engine timing...spark to piston

tefindy

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Joined
Mar 3, 2010
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5
I have an '81 Evanrude 15 H.P. engine,I took off the flywheel and the plate with the magneto on it so I could change a worn throttle control cam.I think I may have thrown the whole works out of sync.How do I check it and get every thing back to where it should be befor I reinstall the flywheel?
 
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